Head strap for a respirator



FIG. 1 is a top, right, front perspective view of a head strap for arespirator, showing our new design;

FIG. 2 is a bottom, left, rear perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a top plan elevation view thereof; and,

FIG. 8 is a bottom plan view thereof.

CLAIM The ornamental design for a head strap for a respirator, as shownand described.